src/gtk1/cursor.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk1/cursor.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#include "wx/cursor.h"

#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/utils.h"
#endif // WX_PRECOMP

#include <gdk/gdk.h>
#include <gtk/gtk.h>

//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------

extern void wxapp_install_idle_handler();
extern bool g_isIdle;

//-----------------------------------------------------------------------------
// wxCursor
//-----------------------------------------------------------------------------

class wxCursorRefData : public wxGDIRefData
{
public:
    wxCursorRefData();
    virtual ~wxCursorRefData();

    GdkCursor *m_cursor;
};

wxCursorRefData::wxCursorRefData()
{
    m_cursor = (GdkCursor *) NULL;
}

wxCursorRefData::~wxCursorRefData()
{
    if (m_cursor) gdk_cursor_destroy( m_cursor );
}

//-----------------------------------------------------------------------------

#define M_CURSORDATA ((wxCursorRefData *)m_refData)

IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)

wxCursor::wxCursor()
{

}

wxCursor::wxCursor( int cursorId )
{
    m_refData = new wxCursorRefData();

    GdkCursorType gdk_cur = GDK_LEFT_PTR;
    switch (cursorId)
    {
        case wxCURSOR_BLANK:
            {
                static const gchar bits[] = { 0 };
                static /* const -- not in GTK1 */ GdkColor color = { 0, 0, 0, 0 };

                GdkPixmap *pixmap = gdk_bitmap_create_from_data(NULL, bits, 1, 1);
                M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(pixmap,
                                                                    pixmap,
                                                                    &color,
                                                                    &color,
                                                                    0, 0);
            }
            return;

        case wxCURSOR_ARROW:            // fall through to default
        case wxCURSOR_DEFAULT:          gdk_cur = GDK_LEFT_PTR; break;
        case wxCURSOR_RIGHT_ARROW:      gdk_cur = GDK_RIGHT_PTR; break;
        case wxCURSOR_HAND:             gdk_cur = GDK_HAND1; break;
        case wxCURSOR_CROSS:            gdk_cur = GDK_CROSSHAIR; break;
        case wxCURSOR_SIZEWE:           gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
        case wxCURSOR_SIZENS:           gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
        case wxCURSOR_ARROWWAIT:
        case wxCURSOR_WAIT:
        case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; break;
        case wxCURSOR_SIZING:           gdk_cur = GDK_SIZING; break;
        case wxCURSOR_SPRAYCAN:         gdk_cur = GDK_SPRAYCAN; break;
        case wxCURSOR_IBEAM:            gdk_cur = GDK_XTERM; break;
        case wxCURSOR_PENCIL:           gdk_cur = GDK_PENCIL; break;
        case wxCURSOR_NO_ENTRY:         gdk_cur = GDK_PIRATE; break;
        case wxCURSOR_SIZENWSE:
        case wxCURSOR_SIZENESW:         gdk_cur = GDK_FLEUR; break;
        case wxCURSOR_QUESTION_ARROW:   gdk_cur = GDK_QUESTION_ARROW; break;
        case wxCURSOR_PAINT_BRUSH:      gdk_cur = GDK_SPRAYCAN; break;
        case wxCURSOR_MAGNIFIER:        gdk_cur = GDK_PLUS; break;
        case wxCURSOR_CHAR:             gdk_cur = GDK_XTERM; break;
        case wxCURSOR_LEFT_BUTTON:      gdk_cur = GDK_LEFTBUTTON; break;
        case wxCURSOR_MIDDLE_BUTTON:    gdk_cur = GDK_MIDDLEBUTTON; break;
        case wxCURSOR_RIGHT_BUTTON:     gdk_cur = GDK_RIGHTBUTTON; break;
        case wxCURSOR_BULLSEYE:         gdk_cur = GDK_TARGET; break;

        case wxCURSOR_POINT_LEFT:       gdk_cur = GDK_SB_LEFT_ARROW; break;
        case wxCURSOR_POINT_RIGHT:      gdk_cur = GDK_SB_RIGHT_ARROW; break;
/*
        case wxCURSOR_DOUBLE_ARROW:     gdk_cur = GDK_DOUBLE_ARROW; break;
        case wxCURSOR_CROSS_REVERSE:    gdk_cur = GDK_CROSS_REVERSE; break;
        case wxCURSOR_BASED_ARROW_UP:   gdk_cur = GDK_BASED_ARROW_UP; break;
        case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
*/

        default:
            wxFAIL_MSG(wxT("unsupported cursor type"));
            // will use the standard one
            break;
    }

    M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
}

extern GtkWidget *wxGetRootWindow();

wxCursor::wxCursor(const char bits[], int width, int  height,
                   int hotSpotX, int hotSpotY,
                   const char maskBits[], const wxColour *fg, const wxColour *bg)
{
    if (!maskBits)
        maskBits = bits;
    if (!fg)
        fg = wxBLACK;
    if (!bg)
        bg = wxWHITE;
    if (hotSpotX < 0 || hotSpotX >= width)
        hotSpotX = 0;
    if (hotSpotY < 0 || hotSpotY >= height)
        hotSpotY = 0;

    GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height );
    GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits, width, height);

    m_refData = new wxCursorRefData;
    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
                 data, mask, fg->GetColor(), bg->GetColor(),
                 hotSpotX, hotSpotY );

    gdk_bitmap_unref( data );
    gdk_bitmap_unref( mask );
}

#if wxUSE_IMAGE

wxCursor::wxCursor( const wxImage & image )
{
    unsigned char * rgbBits = image.GetData();
    int w = image.GetWidth() ;
    int h = image.GetHeight();
    bool bHasMask = image.HasMask();
    int imagebitcount = (w*h)/8;

    unsigned char * bits = new unsigned char [imagebitcount];
    unsigned char * maskBits = new unsigned char [imagebitcount];

    int i, j, i8; unsigned char c, cMask;
    for (i=0; i<imagebitcount; i++)
    {
        bits[i] = 0;
        i8 = i * 8;

        cMask = 1;
        for (j=0; j<8; j++)
        {
            // possible overflow if we do the summation first ?
            c = rgbBits[(i8+j)*3]/3 + rgbBits[(i8+j)*3+1]/3 + rgbBits[(i8+j)*3+2]/3;
            //if average value is > mid grey
            if (c>127)
                bits[i] = bits[i] | cMask;
            cMask = cMask * 2;
        }
    }

    unsigned long keyMaskColor;
    if (bHasMask)
    {
        unsigned char
            r = image.GetMaskRed(),
            g = image.GetMaskGreen(),
            b = image.GetMaskBlue();

        for (i=0; i<imagebitcount; i++)
        {
            maskBits[i] = 0x0;
            i8 = i * 8;

            cMask = 1;
            for (j=0; j<8; j++)
            {
                if (rgbBits[(i8+j)*3] != r || rgbBits[(i8+j)*3+1] != g || rgbBits[(i8+j)*3+2] != b)
                    maskBits[i] = maskBits[i] | cMask;
                cMask = cMask * 2;
            }
        }

        keyMaskColor = (r << 16) | (g << 8) | b;
    }
    else // no mask
    {
        for (i=0; i<imagebitcount; i++)
            maskBits[i] = 0xFF;

        // init it to avoid compiler warnings
        keyMaskColor = 0;
    }

    // find the most frequent color(s)
    wxImageHistogram histogram;
    image.ComputeHistogram(histogram);

    // colors as rrggbb
    unsigned long key;
    unsigned long value;

    long colMostFreq = 0;
    unsigned long nMost = 0;
    long colNextMostFreq = 0;
    unsigned long nNext = 0;
    for ( wxImageHistogram::iterator entry = histogram.begin();
          entry != histogram.end();
          ++entry )
    {
        value = entry->second.value;
        key = entry->first;
        if ( !bHasMask || (key != keyMaskColor) )
        {
            if (value > nMost)
            {
                nMost = value;
                colMostFreq = key;
            }
            else if (value > nNext)
            {
                nNext = value;
                colNextMostFreq = key;
            }
        }
    }

    wxColour fg = wxColour ( (unsigned char)(colMostFreq >> 16),
                             (unsigned char)(colMostFreq >> 8),
                             (unsigned char)(colMostFreq) );

    wxColour bg = wxColour ( (unsigned char)(colNextMostFreq >> 16),
                             (unsigned char)(colNextMostFreq >> 8),
                             (unsigned char)(colNextMostFreq) );

    int fg_intensity = fg.Red() + fg.Green() + fg.Blue();
    int bg_intensity = bg.Red() + bg.Green() + bg.Blue();

    if (bg_intensity > fg_intensity)
    {
        //swap fg and bg
        wxColour tmp = fg;
        fg = bg;
        bg = tmp;
    }

    int hotSpotX;
    int hotSpotY;

    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
        hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
    else
        hotSpotX = 0;

    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
        hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
    else
        hotSpotY = 0;

    if (hotSpotX < 0 || hotSpotX >= w)
        hotSpotX = 0;
    if (hotSpotY < 0 || hotSpotY >= h)
        hotSpotY = 0;

    GdkBitmap *data = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
                                                  (gchar *) bits, w, h);
    GdkBitmap *mask = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
                                                  (gchar *) maskBits, w, h);

    m_refData = new wxCursorRefData;
    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap
                             (
                                data,
                                mask,
                                fg.GetColor(), bg.GetColor(),
                                hotSpotX, hotSpotY
                             );

    gdk_bitmap_unref( data );
    gdk_bitmap_unref( mask );
    delete [] bits;
    delete [] maskBits;
}

#endif // wxUSE_IMAGE

wxCursor::~wxCursor()
{
}

GdkCursor *wxCursor::GetCursor() const
{
    return M_CURSORDATA->m_cursor;
}

wxGDIRefData *wxCursor::CreateGDIRefData() const
{
    return new wxCursorRefData;
}

wxGDIRefData *wxCursor::CloneGDIRefData(const wxGDIRefData *data) const
{
    return new wxCursorRefData(*wx_static_cast(const wxCursorRefData *, data));
}

//-----------------------------------------------------------------------------
// busy cursor routines
//-----------------------------------------------------------------------------

extern wxCursor g_globalCursor;

static wxCursor  gs_savedCursor;
static int       gs_busyCount = 0;

const wxCursor &wxBusyCursor::GetStoredCursor()
{
    return gs_savedCursor;
}

const wxCursor wxBusyCursor::GetBusyCursor()
{
    return wxCursor(wxCURSOR_WATCH);
}

void wxEndBusyCursor()
{
    if (--gs_busyCount > 0)
        return;

    wxSetCursor( gs_savedCursor );
    gs_savedCursor = wxNullCursor;

    if (wxTheApp)
        wxTheApp->ProcessIdle();
}

void wxBeginBusyCursor( const wxCursor *WXUNUSED(cursor) )
{
    if (gs_busyCount++ > 0)
        return;

    wxASSERT_MSG( !gs_savedCursor.Ok(),
                  wxT("forgot to call wxEndBusyCursor, will leak memory") );

    gs_savedCursor = g_globalCursor;

    wxSetCursor( wxCursor(wxCURSOR_WATCH) );

    if (wxTheApp)
        wxTheApp->ProcessIdle();

    gdk_flush();
}

bool wxIsBusy()
{
    return gs_busyCount > 0;
}

void wxSetCursor( const wxCursor& cursor )
{
    if (g_isIdle)
        wxapp_install_idle_handler();

    g_globalCursor = cursor;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/gtk1/cursor.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	// For compilers that support precompilation, includes "wx.h".
	11	#include "wx/wxprec.h"
	12
	13	#include "wx/cursor.h"
	14
	15	#ifndef WX_PRECOMP
	16	#include "wx/app.h"
	17	#include "wx/utils.h"
	18	#endif // WX_PRECOMP
	19
	20	#include <gdk/gdk.h>
	21	#include <gtk/gtk.h>
	22
	23	//-----------------------------------------------------------------------------
	24	// idle system
	25	//-----------------------------------------------------------------------------
	26
	27	extern void wxapp_install_idle_handler();
	28	extern bool g_isIdle;
	29
	30	//-----------------------------------------------------------------------------
	31	// wxCursor
	32	//-----------------------------------------------------------------------------
	33
	34	class wxCursorRefData : public wxGDIRefData
	35	{
	36	public:
	37	wxCursorRefData();
	38	virtual ~wxCursorRefData();
	39
	40	GdkCursor *m_cursor;
	41	};
	42
	43	wxCursorRefData::wxCursorRefData()
	44	{
	45	m_cursor = (GdkCursor *) NULL;
	46	}
	47
	48	wxCursorRefData::~wxCursorRefData()
	49	{
	50	if (m_cursor) gdk_cursor_destroy( m_cursor );
	51	}
	52
	53	//-----------------------------------------------------------------------------
	54
	55	#define M_CURSORDATA ((wxCursorRefData *)m_refData)
	56
	57	IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
	58
	59	wxCursor::wxCursor()
	60	{
	61
	62	}
	63
	64	wxCursor::wxCursor( int cursorId )
	65	{
	66	m_refData = new wxCursorRefData();
	67
	68	GdkCursorType gdk_cur = GDK_LEFT_PTR;
	69	switch (cursorId)
	70	{
	71	case wxCURSOR_BLANK:
	72	{
	73	static const gchar bits[] = { 0 };
	74	static /* const -- not in GTK1 */ GdkColor color = { 0, 0, 0, 0 };
	75
	76	GdkPixmap *pixmap = gdk_bitmap_create_from_data(NULL, bits, 1, 1);
	77	M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(pixmap,
	78	pixmap,
	79	&color,
	80	&color,
	81	0, 0);
	82	}
	83	return;
	84
	85	case wxCURSOR_ARROW: // fall through to default
	86	case wxCURSOR_DEFAULT: gdk_cur = GDK_LEFT_PTR; break;
	87	case wxCURSOR_RIGHT_ARROW: gdk_cur = GDK_RIGHT_PTR; break;
	88	case wxCURSOR_HAND: gdk_cur = GDK_HAND1; break;
	89	case wxCURSOR_CROSS: gdk_cur = GDK_CROSSHAIR; break;
	90	case wxCURSOR_SIZEWE: gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
	91	case wxCURSOR_SIZENS: gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
	92	case wxCURSOR_ARROWWAIT:
	93	case wxCURSOR_WAIT:
	94	case wxCURSOR_WATCH: gdk_cur = GDK_WATCH; break;
	95	case wxCURSOR_SIZING: gdk_cur = GDK_SIZING; break;
	96	case wxCURSOR_SPRAYCAN: gdk_cur = GDK_SPRAYCAN; break;
	97	case wxCURSOR_IBEAM: gdk_cur = GDK_XTERM; break;
	98	case wxCURSOR_PENCIL: gdk_cur = GDK_PENCIL; break;
	99	case wxCURSOR_NO_ENTRY: gdk_cur = GDK_PIRATE; break;
	100	case wxCURSOR_SIZENWSE:
	101	case wxCURSOR_SIZENESW: gdk_cur = GDK_FLEUR; break;
	102	case wxCURSOR_QUESTION_ARROW: gdk_cur = GDK_QUESTION_ARROW; break;
	103	case wxCURSOR_PAINT_BRUSH: gdk_cur = GDK_SPRAYCAN; break;
	104	case wxCURSOR_MAGNIFIER: gdk_cur = GDK_PLUS; break;
	105	case wxCURSOR_CHAR: gdk_cur = GDK_XTERM; break;
	106	case wxCURSOR_LEFT_BUTTON: gdk_cur = GDK_LEFTBUTTON; break;
	107	case wxCURSOR_MIDDLE_BUTTON: gdk_cur = GDK_MIDDLEBUTTON; break;
	108	case wxCURSOR_RIGHT_BUTTON: gdk_cur = GDK_RIGHTBUTTON; break;
	109	case wxCURSOR_BULLSEYE: gdk_cur = GDK_TARGET; break;
	110
	111	case wxCURSOR_POINT_LEFT: gdk_cur = GDK_SB_LEFT_ARROW; break;
	112	case wxCURSOR_POINT_RIGHT: gdk_cur = GDK_SB_RIGHT_ARROW; break;
	113	/*
	114	case wxCURSOR_DOUBLE_ARROW: gdk_cur = GDK_DOUBLE_ARROW; break;
	115	case wxCURSOR_CROSS_REVERSE: gdk_cur = GDK_CROSS_REVERSE; break;
	116	case wxCURSOR_BASED_ARROW_UP: gdk_cur = GDK_BASED_ARROW_UP; break;
	117	case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
	118	*/
	119
	120	default:
	121	wxFAIL_MSG(wxT("unsupported cursor type"));
	122	// will use the standard one
	123	break;
	124	}
	125
	126	M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
	127	}
	128
	129	extern GtkWidget *wxGetRootWindow();
	130
	131	wxCursor::wxCursor(const char bits[], int width, int height,
	132	int hotSpotX, int hotSpotY,
	133	const char maskBits[], const wxColour fg, const wxColour bg)
	134	{
	135	if (!maskBits)
	136	maskBits = bits;
	137	if (!fg)
	138	fg = wxBLACK;
	139	if (!bg)
	140	bg = wxWHITE;
	141	if (hotSpotX < 0 \|\| hotSpotX >= width)
	142	hotSpotX = 0;
	143	if (hotSpotY < 0 \|\| hotSpotY >= height)
	144	hotSpotY = 0;
	145
	146	GdkBitmap data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar ) bits, width, height );
	147	GdkBitmap mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar ) maskBits, width, height);
	148
	149	m_refData = new wxCursorRefData;
	150	M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
	151	data, mask, fg->GetColor(), bg->GetColor(),
	152	hotSpotX, hotSpotY );
	153
	154	gdk_bitmap_unref( data );
	155	gdk_bitmap_unref( mask );
	156	}
	157
	158	#if wxUSE_IMAGE
	159
	160	wxCursor::wxCursor( const wxImage & image )
	161	{
	162	unsigned char * rgbBits = image.GetData();
	163	int w = image.GetWidth() ;
	164	int h = image.GetHeight();
	165	bool bHasMask = image.HasMask();
	166	int imagebitcount = (w*h)/8;
	167
	168	unsigned char * bits = new unsigned char [imagebitcount];
	169	unsigned char * maskBits = new unsigned char [imagebitcount];
	170
	171	int i, j, i8; unsigned char c, cMask;
	172	for (i=0; i<imagebitcount; i++)
	173	{
	174	bits[i] = 0;
	175	i8 = i * 8;
	176
	177	cMask = 1;
	178	for (j=0; j<8; j++)
	179	{
	180	// possible overflow if we do the summation first ?
	181	c = rgbBits[(i8+j)3]/3 + rgbBits[(i8+j)3+1]/3 + rgbBits[(i8+j)*3+2]/3;
	182	//if average value is > mid grey
	183	if (c>127)
	184	bits[i] = bits[i] \| cMask;
	185	cMask = cMask * 2;
	186	}
	187	}
	188
	189	unsigned long keyMaskColor;
	190	if (bHasMask)
	191	{
	192	unsigned char
	193	r = image.GetMaskRed(),
	194	g = image.GetMaskGreen(),
	195	b = image.GetMaskBlue();
	196
	197	for (i=0; i<imagebitcount; i++)
	198	{
	199	maskBits[i] = 0x0;
	200	i8 = i * 8;
	201
	202	cMask = 1;
	203	for (j=0; j<8; j++)
	204	{
	205	if (rgbBits[(i8+j)3] != r \|\| rgbBits[(i8+j)3+1] != g \|\| rgbBits[(i8+j)*3+2] != b)
	206	maskBits[i] = maskBits[i] \| cMask;
	207	cMask = cMask * 2;
	208	}
	209	}
	210
	211	keyMaskColor = (r << 16) \| (g << 8) \| b;
	212	}
	213	else // no mask
	214	{
	215	for (i=0; i<imagebitcount; i++)
	216	maskBits[i] = 0xFF;
	217
	218	// init it to avoid compiler warnings
	219	keyMaskColor = 0;
	220	}
	221
	222	// find the most frequent color(s)
	223	wxImageHistogram histogram;
	224	image.ComputeHistogram(histogram);
	225
	226	// colors as rrggbb
	227	unsigned long key;
	228	unsigned long value;
	229
	230	long colMostFreq = 0;
	231	unsigned long nMost = 0;
	232	long colNextMostFreq = 0;
	233	unsigned long nNext = 0;
	234	for ( wxImageHistogram::iterator entry = histogram.begin();
	235	entry != histogram.end();
	236	++entry )
	237	{
	238	value = entry->second.value;
	239	key = entry->first;
	240	if ( !bHasMask \|\| (key != keyMaskColor) )
	241	{
	242	if (value > nMost)
	243	{
	244	nMost = value;
	245	colMostFreq = key;
	246	}
	247	else if (value > nNext)
	248	{
	249	nNext = value;
	250	colNextMostFreq = key;
	251	}
	252	}
	253	}
	254
	255	wxColour fg = wxColour ( (unsigned char)(colMostFreq >> 16),
	256	(unsigned char)(colMostFreq >> 8),
	257	(unsigned char)(colMostFreq) );
	258
	259	wxColour bg = wxColour ( (unsigned char)(colNextMostFreq >> 16),
	260	(unsigned char)(colNextMostFreq >> 8),
	261	(unsigned char)(colNextMostFreq) );
	262
	263	int fg_intensity = fg.Red() + fg.Green() + fg.Blue();
	264	int bg_intensity = bg.Red() + bg.Green() + bg.Blue();
	265
	266	if (bg_intensity > fg_intensity)
	267	{
	268	//swap fg and bg
	269	wxColour tmp = fg;
	270	fg = bg;
	271	bg = tmp;
	272	}
	273
	274	int hotSpotX;
	275	int hotSpotY;
	276
	277	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
	278	hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
	279	else
	280	hotSpotX = 0;
	281
	282	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
	283	hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
	284	else
	285	hotSpotY = 0;
	286
	287	if (hotSpotX < 0 \|\| hotSpotX >= w)
	288	hotSpotX = 0;
	289	if (hotSpotY < 0 \|\| hotSpotY >= h)
	290	hotSpotY = 0;
	291
	292	GdkBitmap *data = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
	293	(gchar *) bits, w, h);
	294	GdkBitmap *mask = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
	295	(gchar *) maskBits, w, h);
	296
	297	m_refData = new wxCursorRefData;
	298	M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap
	299	(
	300	data,
	301	mask,
	302	fg.GetColor(), bg.GetColor(),
	303	hotSpotX, hotSpotY
	304	);
	305
	306	gdk_bitmap_unref( data );
	307	gdk_bitmap_unref( mask );
	308	delete [] bits;
	309	delete [] maskBits;
	310	}
	311
	312	#endif // wxUSE_IMAGE
	313
	314	wxCursor::~wxCursor()
	315	{
	316	}
	317
	318	GdkCursor *wxCursor::GetCursor() const
	319	{
	320	return M_CURSORDATA->m_cursor;
	321	}
	322
	323	wxGDIRefData *wxCursor::CreateGDIRefData() const
	324	{
	325	return new wxCursorRefData;
	326	}
	327
	328	wxGDIRefData wxCursor::CloneGDIRefData(const wxGDIRefData data) const
	329	{
	330	return new wxCursorRefData(wx_static_cast(const wxCursorRefData , data));
	331	}
	332
	333	//-----------------------------------------------------------------------------
	334	// busy cursor routines
	335	//-----------------------------------------------------------------------------
	336
	337	extern wxCursor g_globalCursor;
	338
	339	static wxCursor gs_savedCursor;
	340	static int gs_busyCount = 0;
	341
	342	const wxCursor &wxBusyCursor::GetStoredCursor()
	343	{
	344	return gs_savedCursor;
	345	}
	346
	347	const wxCursor wxBusyCursor::GetBusyCursor()
	348	{
	349	return wxCursor(wxCURSOR_WATCH);
	350	}
	351
	352	void wxEndBusyCursor()
	353	{
	354	if (--gs_busyCount > 0)
	355	return;
	356
	357	wxSetCursor( gs_savedCursor );
	358	gs_savedCursor = wxNullCursor;
	359
	360	if (wxTheApp)
	361	wxTheApp->ProcessIdle();
	362	}
	363
	364	void wxBeginBusyCursor( const wxCursor *WXUNUSED(cursor) )
	365	{
	366	if (gs_busyCount++ > 0)
	367	return;
	368
	369	wxASSERT_MSG( !gs_savedCursor.Ok(),
	370	wxT("forgot to call wxEndBusyCursor, will leak memory") );
	371
	372	gs_savedCursor = g_globalCursor;
	373
	374	wxSetCursor( wxCursor(wxCURSOR_WATCH) );
	375
	376	if (wxTheApp)
	377	wxTheApp->ProcessIdle();
	378
	379	gdk_flush();
	380	}
	381
	382	bool wxIsBusy()
	383	{
	384	return gs_busyCount > 0;
	385	}
	386
	387	void wxSetCursor( const wxCursor& cursor )
	388	{
	389	if (g_isIdle)
	390	wxapp_install_idle_handler();
	391
	392	g_globalCursor = cursor;
	393	}